10000561705 has 8 divisors (see below), whose sum is σ = 12179788992. Its totient is φ = 7881039408.

The previous prime is 10000561633. The next prime is 10000561709. The reversal of 10000561705 is 50716500001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000561705 is a prime.

It is a super-2 number, since 2×10000561705² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10000561705.

It is not an unprimeable number, because it can be changed into a prime (10000561709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14925877 + ... + 14926546.

It is an arithmetic number, because the mean of its divisors is an integer number (1522473624).

Almost surely, 2^10000561705 is an apocalyptic number.

It is an amenable number.

10000561705 is a deficient number, since it is larger than the sum of its proper divisors (2179227287).

10000561705 is an equidigital number, since it uses as much as digits as its factorization.

10000561705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29852495.

The product of its (nonzero) digits is 1050, while the sum is 25.

The spelling of 10000561705 in words is "ten billion, five hundred sixty-one thousand, seven hundred five".